Hair curling iron



FIG. 1 is a front elevational view of a hair curling iron, showing my new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view of a hair curling iron, showing a second embodiment of my new design;

FIG. 7 is a left end elevational view thereof;

FIG. 8 is a right end elevational view thereof;

FIG. 9 is a top plan view thereof; and

FIG. 10 is a bottom plan view thereof. 

The ornamental design for a hair curling iron, as shown and described. 